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Home >> Toyota >> 2017 >> Avalon XLE Plus >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Service Information) (Except Hybrid) >> Air Conditioning Unit >> Removal [10/2015 - ] >> Procedure

Removal [10/2015 - ]: Procedure

  1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM 

    See step  1

  2. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  3. REMOVE FRONT OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  4. DISCONNECT HEATER OUTLET WATER HOSE A 
    1. Using pliers, grip the claws of the clip and slide the clip to disconnect the heater outlet water hose A.
      GTY383139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not apply excessive force to the heater outlet water hose A.
      • Prepare a drain pan or cloth in case the coolant leaks.
  5. DISCONNECT HEATER INLET WATER HOSE 
    1. Using pliers, grip the claws of the clip and slide the clip to disconnect the heater inlet water hose.
      GTY373124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not apply excessive force to the heater inlet water hose.
      • Prepare a drain pan or cloth in case the coolant leaks.
  6. DISCONNECT SUCTION HOSE SUB-ASSEMBLY 
    1. Remove the bolt and rotate the hook connector.
      GTY373122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the suction hose sub-assembly.
      GTY373131Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the O-ring from the suction hose sub-assembly.
      NOTE:

      Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  7. DISCONNECT AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY 
    1. Disconnect the air conditioner tube and accessory assembly.
      GTY383141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the air conditioner tube and accessory assembly.
      NOTE:

      Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

  8. REMOVE FRONT SEAT ASSEMBLY LH 

    (Refer to REMOVAL [10/2014 - ] )

  9. REMOVE AUDIO AMPLIFIER COVER (w/ Front Center Speaker) 

    Refer to PROCEDURE - Step 2

  10. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY WITH BRACKET (w/ Front Center Speaker) 

    for 9 Speakers: (Refer to PROCEDURE - Step 3 )

    for 11 Speakers: (Refer to PROCEDURE - Step 7 )

  11. REMOVE FRONT SEAT ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

  12. REMOVE AUDIO AMPLIFIER COVER (w/ Manual (SOS) Switch) 

    Refer to PROCEDURE - Step 2

  13. REMOVE DCM (TELEMATICS TRANSCEIVER) WITH BACK-UP BATTERY (w/ Manual (SOS) Switch) 

    Refer to PROCEDURE - Step 3

  14. REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  15. REMOVE STEERING POST ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

  16. REMOVE SKID CONTROL BUZZER ASSEMBLY (w/ Pre-collision System) 

    Refer to PROCEDURE - Step 8

  17. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 

    Refer to PROCEDURE - Step 2

  18. REMOVE DRIVING SUPPORT ECU ASSEMBLY (w/ Dynamic Radar Cruise Control System) 

    Refer to PROCEDURE - Step 3

  19. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor) 

    Refer to PROCEDURE - Step 3

  20. REMOVE GLASS BREAKAGE SENSOR ECU (w/ Glass Breakage Sensor) 

    w/o Remote Engine Starter System: (Refer to PROCEDURE - Step 3 )

  21. REMOVE GLASS BREAKAGE SENSOR ECU WITH REMOTE ENGINE STARTER ECU (w/ Glass Breakage Sensor) 

    w/ Remote Engine Starter System: (Refer to PROCEDURE - Step 4 )

  22. REMOVE REMOTE ENGINE STARTER ECU WITH BRACKET (w/ Remote Engine Starter System) 

    w/o Glass Breakage Sensor: (Refer to PROCEDURE - Step 3 )

  23. REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/o ECU Integration Box RH) 

    Refer to PROCEDURE - Step 5

  24. REMOVE ECU INTEGRATION BOX RH (w/ ECU Integration Box RH) 

    Refer to PROCEDURE - Step 3

  25. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY 

    See step  5

  26. REMOVE FLOOR CARPET HOOK 
    1. Disengage the 6 guides.
      GTY601022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A for LH Side
      *B for RH Side
    2. Disengage the 6 clamps and remove the 6 floor carpet hooks.
      GTY558903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A for LH Side
      *B for RH Side
  27. REMOVE FRONT FLOOR CARPET LH 
    1. Disengage the guide.
      GTY582961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Hook Fastener
      *a Guide
      Fastener
    2. Disengage the hook fastener and 3 fasteners, and remove the front floor carpet LH.
  28. REMOVE REAR AIR DUCT GUIDE LH 
    1. Disengage the 4 claws to remove the rear air duct guide LH.
      GTY373138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. REMOVE REAR NO. 1 AIR DUCT 
    1. Disengage the 2 claws to remove the rear No. 1 air duct.
      GTY373140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. REMOVE FLOOR CARPET BRACKET LH 
    1. Remove the 2 clips and floor carpet bracket LH.
      GTY373141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. REMOVE FRONT FLOOR CARPET RH 
    1. Disengage the guide.
      GTY373143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Fastener
    2. Disengage the 3 fasteners and remove the front floor carpet RH.
  32. REMOVE REAR AIR DUCT GUIDE RH 
    1. Disengage the 4 claws to remove the rear air duct guide RH.
      GTY373146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. REMOVE REAR NO. 2 AIR DUCT 
    1. Disengage the 2 claws to remove the rear No. 2 air duct.
      GTY383146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. REMOVE FLOOR CARPET BRACKET RH 
    1. Remove the 2 clips and floor carpet bracket RH.
      GTY373152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE NO. 1 CONSOLE BOX DUCT 
    1. Remove the clip and No. 1 console box duct.
      GTY371764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE COOLER (ROOM TEMP. SENSOR) THERMISTOR 
    1. Disconnect the connector and aspirator, and remove the cooler (room temp. sensor) thermistor.
      GTY371765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  37. REMOVE NO. 1 INSTRUMENT PANEL BRACE SUB-ASSEMBLY 
    1. Remove the bolt and disconnect the earth wire.
      GTY539849Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Earth Wire
    2. Disengage each clamp.
    3. Remove the bolt, screw, 2 nuts and No. 1 instrument panel brace sub-assembly.
      GTY371766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Bolt
      Screw
      Nut
  38. REMOVE NO. 2 INSTRUMENT PANEL BRACE SUB-ASSEMBLY 
    1. Remove the bolt and disconnect the earth wire.
      GTY567039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Earth Wire
    2. Disconnect each connector.
    3. Disengage each clamp.
    4. Remove the bolt, screw, 2 nuts and No. 1 instrument panel brace sub-assembly.
      GTY371761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Bolt
      Screw
      Nut
  39. REMOVE INSTRUMENT PANEL SAFETY PAD CAP 
    1. Put protective tape around the 5 instrument panel safety pad caps.
      GTY579792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *A for LH Side
      *B for RH Side
      Protective Tape
    2. Using a screwdriver, remove the 5 instrument panel safety pad caps.
  40. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT 
    NOTE:
    • Be sure to support the air conditioning unit assembly when removing it because failure to do so may cause the bracket of the air conditioning unit assembly to break.
    • When disassembling the air conditioning unit assembly, eliminate static electricity by touching the vehicle body to prevent the components from being damaged.
    1. w/ Front Center Speaker:
      1. Disengage each clamp.
        GTY382900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Manual (SOS) Switch:
      1. Disengage the clamp.
        GTY371772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the 3 claws to open the 3 clamps as shown in the illustration.
      GTY371771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the connector from the airbag sensor assembly as shown in the illustration.
      GTY568283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Airbag Sensor Assembly - -
      NOTE:

      When disconnecting any airbag connector, take care not to damage the airbag wire harness.

    5. Disconnect each connector.
    6. Disengage each clamp.
    7. Using a screwdriver wrapped with protective tape, disengage the 2 claws to unlock the retainer as shown in the illustration.
      GTY596463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Retainer - -
      Protective Tape - -
    8. Disengage the claw and disconnect the airbag sensor assembly connector as shown in the illustration.
      GTY369475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the 3 bolts and disconnect the 3 earth wires.
      GTY553188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Connector Holder - -
      *a Earth Wire - -
      Bolt Nut
    10. Remove the 2 nuts and disconnect the connector holder.
    11. Disconnect the connector.
    12. Disengage each clamp.
    13. Remove the 2 hole plugs.
      GTY371774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    14. Remove the 2 bolts.
      GTY371775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    15. Disconnect the drain cooler hose.
      GTY541476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Movable Collar *2 Instrument Panel Reinforcement
      *a Body *b Step 1
      *c Step 2 *d Step 3
      *e Step 4 - -
    16. Remove the 6 bolts and nut as shown in the illustration.
    17. Disengage the 3 guides and remove the instrument panel reinforcement assembly with air conditioning unit as shown in the illustration.
      GTY371782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  41. REMOVE AIR CONDITIONING UNIT ASSEMBLY 
    1. Remove the 3 bolts and air conditioning unit assembly from the instrument panel reinforcement assembly.
      GTY371780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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